diff --git a/include/JSystem/J3DGraphAnimator/J3DCluster.h b/include/JSystem/J3DGraphAnimator/J3DCluster.h
index f199d4859..e32a785a3 100644
--- a/include/JSystem/J3DGraphAnimator/J3DCluster.h
+++ b/include/JSystem/J3DGraphAnimator/J3DCluster.h
@@ -16,7 +16,7 @@ public:
         mFlags = other.mFlags;
         mKeyNum = other.mKeyNum;
         mPosNum = other.mPosNum;
-        field_0x14 = other.field_0x14;
+        mNrmNum = other.mNrmNum;
         field_0x16 = other.field_0x16;
         field_0x18 = other.field_0x18;
         mClusterVertex = other.mClusterVertex;
@@ -34,7 +34,7 @@ public:
     /* 0x0D */ u8 field_0xd[0x10 - 0x0D];
     /* 0x10 */ u16 mKeyNum;
     /* 0x12 */ u16 mPosNum;
-    /* 0x14 */ u16 field_0x14;
+    /* 0x14 */ u16 mNrmNum;
     /* 0x16 */ u16 field_0x16;
     /* 0x18 */ u16* field_0x18;
     /* 0x1C */ J3DClusterVertex* mClusterVertex;
@@ -53,8 +53,8 @@ public:
 public:
     /* 0x00 */ u16 mPosNum;
     /* 0x02 */ u16 mNrmNum;
-    /* 0x04 */ void* field_0x4;
-    /* 0x08 */ void* field_0x8;
+    /* 0x04 */ u16* field_0x4;
+    /* 0x08 */ u16* field_0x8;
 };  // Size: 0x0C
 
 class J3DClusterVertex {
diff --git a/include/JSystem/J3DGraphAnimator/J3DSkinDeform.h b/include/JSystem/J3DGraphAnimator/J3DSkinDeform.h
index b1634bfe6..3adb43553 100644
--- a/include/JSystem/J3DGraphAnimator/J3DSkinDeform.h
+++ b/include/JSystem/J3DGraphAnimator/J3DSkinDeform.h
@@ -102,7 +102,7 @@ private:
     /* 0x00 */ J3DDeformData* mDeformData;
     /* 0x04 */ J3DAnmCluster* mAnmCluster;
     /* 0x08 */ f32* mWeightList;
-    /* 0x0C */ f32* field_0xc;
+    /* 0x0C */ Vec* field_0x0c;
     /* 0x10 */ u32 mFlags;
 };  // Size: 0x14
 
diff --git a/src/JSystem/J3DGraphAnimator/J3DCluster.cpp b/src/JSystem/J3DGraphAnimator/J3DCluster.cpp
index d0e7ad398..2fab82a67 100644
--- a/src/JSystem/J3DGraphAnimator/J3DCluster.cpp
+++ b/src/JSystem/J3DGraphAnimator/J3DCluster.cpp
@@ -49,7 +49,7 @@ void J3DDeformer::clear() {
     mDeformData = NULL;
     mAnmCluster = NULL;
     mWeightList = NULL;
-    field_0xc = NULL;
+    field_0x0c = NULL;
     mFlags = 3;
 }
 
@@ -70,28 +70,77 @@ void J3DDeformer::deform(J3DVertexBuffer* vtx, u16 idx) {
 /* 802F3A08-802F3FA8       .text deform__11J3DDeformerFP15J3DVertexBufferUsPf */
 void J3DDeformer::deform(J3DVertexBuffer* vtx, u16 idx, f32* weightList) {
     /* Nonmatching */
-    if (!(mFlags & 2) || vtx->getVertexData()->getVtxPosType() != GX_F32)
-        return;
+    if (!!(mFlags & 2) && vtx->getVertexData()->getVtxPosType() == GX_F32) {
+        J3DCluster* cluster = mDeformData->getClusterPointer(idx);
+        u16 posNum = cluster->mPosNum;
+        u16 keyNum = cluster->mKeyNum;
 
-    J3DCluster* cluster = mDeformData->getClusterPointer(idx);
-    u16 posNum = cluster->mPosNum;
-    u16 keyNum = cluster->mKeyNum;
+        u16 keyStart = 0;
+        for (u16 i = 0; i < idx; i++)
+            keyStart += mDeformData->getClusterPointer(idx)->mKeyNum + 1;
 
-    u16 keyStart = 0;
-    for (u16 i = 0; i < idx; i++)
-        keyStart += mDeformData->getClusterPointer(idx)->mKeyNum + 1;
+        J3DClusterKey* key = mDeformData->getClusterKeyPointer(keyStart);
+        normalizeWeight(keyNum, weightList);
 
-    J3DClusterKey* key = mDeformData->getClusterKeyPointer(keyStart);
-    normalizeWeight(keyNum, weightList);
+        Vec* vtxPosArr = (Vec*)vtx->getVtxPosArrayPointer(0);
+        Vec* vtxPosDeform = (Vec*)mDeformData->getVtxPos();
 
-    Vec* vtxPosArr = (Vec*)vtx->getVtxPosArrayPointer(0);
-    f32* vtxPosDeform = mDeformData->getVtxPos();
-    u16* cluster_0x18 = cluster->field_0x18;
+        for (s32 i = 0; i < posNum; i++) {
+            Vec* vtx = &vtxPosArr[cluster->field_0x18[i]];
+            vtx->x = 0.0f;
+            vtx->y = 0.0f;
+            vtx->z = 0.0f;
+        }
 
-    for (u16 i = 0; i < posNum; i++) {
-        vtxPosArr[i].x = 0.0f;
-        vtxPosArr[i].y = 0.0f;
-        vtxPosArr[i].z = 0.0f;
+        f32 sign[2] = { 1.0f, -1.0f };
+        for (u16 i = 0; i < posNum; i++) {
+            for (u16 j = 0; j < keyNum; j++) {
+                u16 flag = key[j].field_0x4[i];
+                Vec* dst = &vtxPosDeform[flag & 0x1FFF];
+                Vec* src = &vtxPosArr[cluster->field_0x18[i]];
+                dst->x += src->x * sign[flag >> 15] * weightList[j];
+                dst->y += src->y * sign[flag >> 14] * weightList[j];
+                dst->z += src->z * sign[flag >> 13] * weightList[j];
+            }
+        }
+
+        if (!!(mFlags & 1) && cluster->mFlags != 0 && vtx->getVertexData()->getVtxNrmType() == GX_F32) {
+            f32* vtxNrmArr = (f32*)vtx->getTransformedVtxNrm(0);
+            f32* vtxNrmDeform = mDeformData->getVtxNrm();
+
+            for (u16 i = 0; i < cluster->mNrmNum; i++) {
+                Vec* dst = &field_0x0c[i];
+                dst->x = 0.0f;
+                dst->y = 0.0f;
+                dst->z = 0.0f;
+
+                for (u16 j = 0; j < cluster->mKeyNum; j++) {
+                    u16 flag = key[j].field_0x8[i];
+                    f32* src = &vtxNrmDeform[(flag & 0x1FFF) * 3];
+
+                    f32 srcX = src[0];
+                    f32 srcY = src[1];
+                    f32 srcZ = src[2];
+
+                    if (flag & 0x8000)
+                        srcX = -srcX;
+                    if (flag & 0x4000)
+                        srcY = -srcY;
+                    if (flag & 0x2000)
+                        srcZ = -srcZ;
+
+                    dst->x += srcX * weightList[j];
+                    dst->y += srcY * weightList[j];
+                    dst->z += srcZ * weightList[j];
+                }
+
+                normalize((f32*)dst);
+            }
+
+            for (u16 i = 0; i < cluster->field_0x16; i++) {
+
+            }
+        }
     }
 
     // TODO: the rest of the owl
diff --git a/src/JSystem/J3DGraphLoader/J3DClusterLoader.cpp b/src/JSystem/J3DGraphLoader/J3DClusterLoader.cpp
index c42bada96..55d914a9f 100644
--- a/src/JSystem/J3DGraphLoader/J3DClusterLoader.cpp
+++ b/src/JSystem/J3DGraphLoader/J3DClusterLoader.cpp
@@ -97,10 +97,10 @@ void J3DClusterLoader_v15::readCluster(const J3DClusterBlock* block) {
         u32 vertexIdx = (clusterVertex - blockClusterVertex) / sizeof(J3DClusterVertex);
         cluster->mClusterVertex = &mpDeformData->mClusterVertex[vertexIdx];
         J3DDeformer* deformer = new J3DDeformer(mpDeformData);
-        if (cluster->field_0x14 != 0) {
-            deformer->field_0xc = new f32[cluster->field_0x14*3];
+        if (cluster->mNrmNum != 0) {
+            deformer->field_0x0c = new Vec[cluster->mNrmNum];
         } else {
-            deformer->field_0xc = NULL;
+            deformer->field_0x0c = NULL;
         }
         deformer->mFlags = cluster->mFlags;
         deformer->mWeightList = new f32[cluster->mKeyNum];